code: def _get_voc_dir(devkit_dir, year, type):
      return osp.join(devkit_dir, "VOC" + year, type)
  
file_path: PaddleDetection/ppdet/utils/voc_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import os.path
  import re
  import random
label_desc: Use image node_id 2 for calling a global function with example usage: _get_voc_dir(devkit_dir, year, type) and returns: osp